package idv.loveloser.dao;

import java.util.List;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A data access object (DAO) providing persistence and search support for
 * MdlQuestionDatasetDefinitions entities. Transaction control of the save(),
 * update() and delete() operations can directly support Spring
 * container-managed transactions or they can be augmented to handle
 * user-managed Spring transactions. Each of these methods provides additional
 * information for how to configure it for the desired type of transaction
 * control.
 * 
 * @see idv.loveloser.dao.MdlQuestionDatasetDefinitions
 * @author MyEclipse Persistence Tools
 */

public class MdlQuestionDatasetDefinitionsDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory
			.getLogger(MdlQuestionDatasetDefinitionsDAO.class);
	// property constants
	public static final String CATEGORY = "category";
	public static final String NAME = "name";
	public static final String TYPE = "type";
	public static final String OPTIONS = "options";
	public static final String ITEMCOUNT = "itemcount";

	public void save(MdlQuestionDatasetDefinitions transientInstance) {
		log.debug("saving MdlQuestionDatasetDefinitions instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(MdlQuestionDatasetDefinitions persistentInstance) {
		log.debug("deleting MdlQuestionDatasetDefinitions instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public MdlQuestionDatasetDefinitions findById(java.lang.Long id) {
		log.debug("getting MdlQuestionDatasetDefinitions instance with id: "
				+ id);
		try {
			MdlQuestionDatasetDefinitions instance = (MdlQuestionDatasetDefinitions) getSession()
					.get("idv.loveloser.dao.MdlQuestionDatasetDefinitions", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(MdlQuestionDatasetDefinitions instance) {
		log.debug("finding MdlQuestionDatasetDefinitions instance by example");
		try {
			List results = getSession()
					.createCriteria(
							"idv.loveloser.dao.MdlQuestionDatasetDefinitions")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding MdlQuestionDatasetDefinitions instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from MdlQuestionDatasetDefinitions as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByCategory(Object category) {
		return findByProperty(CATEGORY, category);
	}

	public List findByName(Object name) {
		return findByProperty(NAME, name);
	}

	public List findByType(Object type) {
		return findByProperty(TYPE, type);
	}

	public List findByOptions(Object options) {
		return findByProperty(OPTIONS, options);
	}

	public List findByItemcount(Object itemcount) {
		return findByProperty(ITEMCOUNT, itemcount);
	}

	public List findAll() {
		log.debug("finding all MdlQuestionDatasetDefinitions instances");
		try {
			String queryString = "from MdlQuestionDatasetDefinitions";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public MdlQuestionDatasetDefinitions merge(
			MdlQuestionDatasetDefinitions detachedInstance) {
		log.debug("merging MdlQuestionDatasetDefinitions instance");
		try {
			MdlQuestionDatasetDefinitions result = (MdlQuestionDatasetDefinitions) getSession()
					.merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(MdlQuestionDatasetDefinitions instance) {
		log.debug("attaching dirty MdlQuestionDatasetDefinitions instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(MdlQuestionDatasetDefinitions instance) {
		log.debug("attaching clean MdlQuestionDatasetDefinitions instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}